Results 81 to 90 of about 133,218 (289)

Golden‐Ratio–Guided Aperiodic Architected Metamaterials with Simultaneously Enhanced Strength and Toughness

Advanced Functional Materials, EarlyView.
Guided by the golden ratio, a class of aperiodic architected metamaterials is introduced to address the intrinsic trade‐off between strength and toughness. By unifying local geometric heterogeneity with global order, the golden‐ratio‐guided aperiodic architecture promotes spatial delocalization of damage tolerence regions, leading to more tortuous ...
Junjie Deng, Xinxin Wang, Ruochao Zhao, Zhendong Li, Kai Liu, Ke Yuan, Jia An, Xinwei Li, Chee Kai Chua, Zhonggang Wang   +9 more
wiley   +1 more source

Understanding deep reinforcement learning: Enhancing explainable decision-making in optical networks

ICT Express
Deep Reinforcement Learning (DRL) has emerged as a promising approach for solving complex tasks in optical networks. However, its black-box nature poses challenges for interpretability.
Jorge A. Bermúdez, Patricia Morales, Hermann Pempelfort, Mauricio Araya, Nicolás Jara   +4 more
doaj   +1 more source

Predeployment of Transponders for Dynamic Lightpath Provisioning in Translucent Spectrally–Spatially Flexible Optical Networks

Applied Sciences, 2020
We consider a dynamic lightpath provisioning problem in translucent spectrally–spatially flexible optical networks (SS-FONs) in which flexible signal regeneration is achieved with transponders operating in back-to-back (B2B) configurations.
Krzysztof Walkowiak, Mirosław Klinkowski, Adam Włodarczyk, Andrzej Kasprzak   +3 more
doaj   +1 more source

Signal Overlap for Elastic Optical Networks

Journal of Lightwave Technology, 2016
In Elastic Optical Networks, advanced transmission techniques based on coherent detection strategies have been proposed and exploited to provide high flexibility in resource allocation. So far, these techniques have assumed the constraint of each optical signal being transmitted along a dedicated frequency slot, by carefully avoiding frequency overlap ...
Foggi T., Cugini F.
openaire   +2 more sources

Unusual Swelling Behavior of Hydrogels Modified with Spiropyran as Appendage or Crosslinker

Advanced Functional Materials, EarlyView.
Not so innocent after all—spiropyran crosslinkers in methylenebisacrylamide‐crosslinked poly(acrylamide‐co‐acrylic acid) hydrogels increase crosslinking density, but also, counterintuitively, increase swelling. Charge complexation, cooperative chemo‐mechanical effects, and aggregation may explain these observations.
Michael M. Lerch, Ankita Shastri, Thomas B. H. Schroeder, Amos Meeks, Shucong Li, Anna V. Shneidman, Michael Aizenberg, Joanna Aizenberg   +7 more
wiley   +1 more source

Enhancing the Efficiency of Resilient Multipath-Routed Elastic Optical Networks: A Novel Approach for Coexisting Protected and Unprotected Services with Idle Slot Reuse

Sensors
In this paper, we investigate a scenario in which protected and unprotected services coexist in an elastic optical network under dynamic traffic.
Michael M. L. Cavalcanti, Gabriela W. Teixeira, Henrique A. Dinarte, Raul C. Almeida, Raouf Boutaba, Daniel A. R. Chaves   +5 more
doaj   +1 more source

Rearrangeability of Wavelength-Space-Wavelength Switching Fabric Architecture for Elastic Optical Switches

IEEE Access, 2019
In this paper, we consider the necessary and sufficient rearrangeability conditions for the wavelength-space-wavelength switching fabric, called the WSW2 switching fabric, for elastic optical network nodes.
Wojciech Kabacinski, Atyaf Al-Tameemie, Remigiusz Rajewski   +2 more
doaj   +1 more source

PEDOT‐Based Eutectogel Electrode Arrays for Enhanced High‐Resolution Electrogastrography: Fabrication, Stability, and Wearable Performance

Advanced Functional Materials, EarlyView.
Here, we present a high‐density PEDOT eutectogel electrode array for enhanced body surface gastric mapping. Silver electrodes are blade‐coated onto flexible substrates, followed by electrogelation of PEDOT:PSS and the deposition of a PEDOT:LS eutectogel.
Christopher Slaughter, Luke Gatecliff, Xudong Tao, Ruben Ruiz‐Mateos Serrano, Amy T. Jin, Matias L. Picchio, Daniele Mantione, Antonio Dominguez‐Alfaro, George G. Malliaras   +8 more
wiley   +1 more source

Euler buckling in red blood cells: An optically driven biological micromotor

, 2005
We investigate the physics of an optically-driven micromotor of biological origin. A single, live red blood cell, when placed in an optical trap folds into a rod-like shape. If the trapping laser beam is circularly polarized, the folded RBC rotates.
A Ghosh, A K Dharmadhikari, Berg H C, Born M, Bronkhorst P J H, D Mathur, David F, Dharmadhikari J A, Discher D E, Evans E A, Evans E A, Flugge W, Frey E Kroy K, Hunt A J, Hutchinson J W, J A Dharmadhikari, J Samuel, Keller S K, Landau L D, Leibler S, Pfafferott C, Pressley M, S Roy, S Sharma, Spivak M, Supurna Sinha, Timoshenko S, Zhong-Can T   +27 more
core   +1 more source

Generating Cell Surface Nucleated Hydrogels with an Artificial Membrane‐Binding Transglutaminase

Advanced Functional Materials, EarlyView.
Cell‐based therapies require advanced strategies to enhance cell delivery and bioactivity. Cell membrane engineering offers an avenue to impart new functions to delivered cells to boost their viability and function. Here, an artificial membrane‐binding transglutaminase is generated and biophysically characterized.
Rosalia Cuahtecontzi Delint, Tao Li, Kapil D. Patel, Will H. Zhang, Ben M. Carter, Graham J. Day, Adam W. Perriman   +6 more
wiley   +1 more source